These fully adjustable front and rear sights clamp to the vent rib of most popular shotguns and require no tape or magnets. The micro-adjustable rear sight allows for windage and elevation correction. Two dot green rear and red front.FEATURES:a Truglo's ultimate turkey sight.a All steel construction.a Securely mounts to your rib without tape or magnets.a Full windage and elevation adjustment.a Front diameter is .029"; rear diameter is .035".a Endorsed by the National Wild Turkey Federation.Fits: Most Charles Daly and Remington